72 All technical manuals are available in PDF format at tech.napcosecurity.com Napco iSecure Security System
Standby-Battery Calculation Worksheet
Use the procedure given below to determine the required standby battery capacity in Ampere-Hours (AH). Note: It is not totally accurate to
merely multiply the combined standby current (in amperes) by the standby time (in hours) to obtain the battery capacity (in ampere-hours),
since other factors (Go-Anywhere Hub charging capabilities, temperature, battery condition, etc.) affect battery operation. The following calcu-
lations will yield the theoretical minimum required capacity:
1. STANDBY CURRENT
DEVICE QTY
STANDBY CURRENT (Amps)
EACH TOTAL
iSecure Kit 1* 1 X 0.146 =
iSecure Kit 2* 1 X 0.155 =
iSecure Kit 3* 1 X 0.200 =
Network 1 X 0.006 =
GEMWV-RECV X 0.025 =
ISEC-WIFI
1
X 0.050 =
ISEC-ZWAVE
2
X 0.010 =
X =
X =
X =
TOTAL STANDBY CURRENT
Amps
(Box 1)
X
Hours
=
AH.
MINIMUM REQUIRED BATTERY CAPACITY = BOX 2 + BOX 3
AH.
ISEC-KIT1 Battery Standby Hours*
• 12V,4AH battery: No network connection, ~27
hours, with network connection, ~26 hours.
• 12V,5AH battery: No network connection, ~34
hours, with network connection ~32 hours.
ISEC-KIT2 Battery Standby Hours*
• 12V,4AH battery: No network connection, ~25
hours, with network connection ~24 hours.
• 12V,5AH battery: No network connection, ~32
hours, with network connection ~30 hours.
ISEC-KIT3 Battery Standby Hours*
• 12V,4AH battery: No network connection, ~19.5
hours, with network connection ~19 hours.
• 12V,5AH battery: No network connection, ~24
hours, with network connection ~23 hours.
With 4AH battery, a system without Wi-Fi, Z-Wave or
transceiver without a network connection will last about
27.5 hours. With 5AH battery, the same system will last
about 34 hours. Note: Battery not supplied.
*Actual standby time will vary with Kit, system components and network use. For components included in each kit and other details, see Ordering Information on page 73.
**Maximum bell current is 300mA (with integral siren disabled, no strobes, and no 2-wire smoke detectors with integral sounders)
(1)
iSecure Kit 1 and Kit 2 only, if added.
(2)
iSecure Kit 1, if added.
(Box 2) (Standby Time)
Maximum Alarm Current = 300mA.
DEVICE QTY
ALARM CURRENT (Amps)
EACH TOTAL
TOTAL STANDBY CURRENT (from Box 1, above)
HUB INTEGRAL SIREN X
0.200
=
BELLS** X 0.300 =
STROBES
X =
HORNS / STROBES X =
SMK DETECTORS with
sounders
X =
TOTAL ALARM CURRENT
Amps
2. ALARM CURRENT
X
Hours
=
AH.
(Box 3) (Alarm Time)
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